Home / 1,009,329.06-1,392,873.12-550,444.50

Finding the Fourth Proportional to 1,009,329.06, 1,392,873.12 and 550,444.50

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Solution

The fourth proportional to 1,009,329.06, 1,392,873.12 and 550,444.50 is: 759,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,329.06 : 1,392,873.12 = 550,444.50 : x
  2. Step 2: Convert to fraction form
    1,009,329.06/1,392,873.12 = 550,444.50/x
  3. Step 3: Cross multiply
    1,009,329.06x = 1,392,873.12 × 550,444.50
  4. Step 4: Simplify right side
    1,009,329.06x = 766,699,348,101.84
  5. Step 5: Solve for x
    x = 766,699,348,101.84/1,009,329.06
  6. Step 6: Final answer
    x = 759,612.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.